Hardware layout and configuration
UM1902
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DocID027916 Rev 2
5.11 RF-EEPROM
RF-EEPROM daughterboard ANT7-M24LR-A is mounted on CN2 of the STM32F746NGH6
microcontroller via I2C1 bus.
The RF-EEPROM can be accessed by the microcontroller via
the I2C1 bus or by Radio Frequency (RF), using a 13.56 MHz reader (for example,
CR95HF).
Note:
The I
2
C address of RF-EEPROM is 0b1010000.
5.12 CAN
STM32746G-EVAL evaluation board supports one channel of CAN2.0 A/B compliant CAN
bus communication based on 3.3 V CAN transceiver.
High-speed mode, standby mode and slope control mode are available and can be selected
by setting JP11.
5.13 Ethernet
STM32746G-EVAL evaluation board supports 10 M/100 M Ethernet communication by a
PHY DP83848CVV (U6) and integrated RJ45 connector (CN9). Ethernet PHY is connected
to STM32F746NGH6 microcontroller via MII interface. A 25 M clock can be generated by
PHY or provided by MCO from STM32F746NGH6 microcontroller by setting
the jumper JP6
as shown in
Table 10: Ethernet related jumpers
MII Serial Management signals (MDIO and MDC) are simulated by GPIOs (PG6 and PG7)
on STM32746G-EVAL evaluation board by default. The original MII serial management
signals of the Ethernet IP in STM32F746NGH6 microcontroller, can be also used by setting
JP21 and JP22.
Table 6: Audio related jumpers
for all the details.
Table 9. CAN related jumpers
Jumper
Description
JP11
CAN transceiver is working in standby mode when JP11 is set as shown to the right:
CAN transceiver is working in high-speed mode when JP11 is set as shown to the
right (Default setting):
CAN transceiver is working in slope control mode when JP11 is open.
JP12
CAN terminal resistor is enabled when JP12 is fitted.
Default setting: Not fitted
JP8
PA11 is connected with CAN RX signal when JP8 is fitted.
Default setting: Not fitted
